499550449 has 2 divisors, whose sum is σ = 499550450. Its totient is φ = 499550448.

The previous prime is 499550419. The next prime is 499550497. The reversal of 499550449 is 944055994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347151424 + 152399025 = 18632^2 + 12345^2 .

It is a cyclic number.

It is not a de Polignac number, because 499550449 - 2¹⁹ = 499026161 is a prime.

It is a super-2 number, since 2×499550449² = 499101302192203202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499550419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249775224 + 249775225.

It is an arithmetic number, because the mean of its divisors is an integer number (249775225).

Almost surely, 2^499550449 is an apocalyptic number.

It is an amenable number.

499550449 is a deficient number, since it is larger than the sum of its proper divisors (1).

499550449 is an equidigital number, since it uses as much as digits as its factorization.

499550449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 499550449 is about 22350.6252485249. The cubic root of 499550449 is about 793.4625820811.

The spelling of 499550449 in words is "four hundred ninety-nine million, five hundred fifty thousand, four hundred forty-nine".